egwcorelib/EgwCoreLib.BlazorTest/Pages/TestCompo.razor

@page "/TestCompo"
@using EgwCoreLib.Razor.Data;
@using EgwCoreLib.Utils;

<PageTitle>Test</PageTitle>

<h3>TestCompo</h3>

@*<div class="row">
    <div class="col-6">
        @if (periodo != null)
        {
            <div>
                Periodo Selezionato: <b>@($"{periodo.Inizio:yyyy/MM/dd}") &rarr; @($"{periodo.Fine:yyyy/MM/dd}")</b>
            </div>
        }
    </div>
    <div class="col-6">
        <PeriodoSel E_PeriodoSel="setPeriodo" CurrPeriodo="@periodo"></PeriodoSel>
    </div>
</div>*@

<Doughnut Type="@Doughnut.ChartType.Doughnut" Data="@Data.ToArray()" BackgroundColor="@colors"></Doughnut>

@code {
    #if false

    protected DtUtils.Periodo? periodo { get; set; } = new DtUtils.Periodo(DtUtils.PeriodSet.ThisTrim);

    protected async Task setPeriodo(DtUtils.Periodo newPeriodo)
    {
    await Task.Delay(1);
    periodo = newPeriodo;
    }
#endif

    public List<DoughnutStyling> colors = new List<DoughnutStyling>();

    public List<double> Data = new List<double>();

    public List<string> Labels = new List<string>();

    protected override async Task OnInitializedAsync()
    {
        await Task.Delay(1);
    }

    protected override async Task OnParametersSetAsync()
    {
        await ReloadData();
        await Task.Delay(1);
    }

    protected async Task ReloadData()
    {
        Data.Clear();
        Labels.Clear();
        colors.Clear();
        for (int x = 0; x < 5; x++)
        {
            Data.Add(x);
            Labels.Add($"test n#: {x} - {x}min");
            colors.Add(new DoughnutStyling("orange", "ccc"));
            colors.Add(new DoughnutStyling("#2874A6", "ccc"));
        }
        await Task.Delay(1);
    }

}